tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2
3#include "vmlinux.h"
4#include <bpf/bpf_helpers.h>
5#include <bpf/bpf_tracing.h>
6
7__u64 fentry_called = 0;
8
9SEC("fentry/test_pkt_md_access_new")
10int BPF_PROG(fentry, struct sk_buff *skb)
11{
12 fentry_called = skb->len;
13 return 0;
14}
15
16__u64 fexit_called = 0;
17
18SEC("fexit/test_pkt_md_access_new")
19int BPF_PROG(fexit, struct sk_buff *skb)
20{
21 fexit_called = skb->len;
22 return 0;
23}
24
25char _license[] SEC("license") = "GPL";